Resolved! STM32 UART1 and UART3 conflicts
I’m experiencing an issue while developing firmware on a STM32L431CCU6 connected to: Xbee module (XB3-24Z8CM-J) via UART1RS485 driver (ST1480ABDR_ Via UART2 HAL_NVIC_SetPriority(USART1_IRQn, 0, 0); HAL_NVIC_EnableIRQ(USART1_IRQn); HAL_NVIC_SetPriori...